Major Flood
1696 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: TERG1). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
1694 ft
Minor Flood
1692 ft
Action Stage
1689 ft
What Floods at Each Level
3 ft
3 GATES OPENED WILL CAUSE FLOODING ALONG THE TALLULAH RIVER. C
2 ft
IF 2 GATES ARE OPENED (equivalent to ~1600 cfs) AT THE MATHIS DAM THEN YOU MAY WANT TO ISSUE FLS. PARTS OF SHADY LANE AND MATHIS DAM ROADS WILL BE FLOODED AND JOY ROAD BRIDGE WILL LIKELY BE CLOSED. HIGH WATER EVENT.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Dec 31, 1899 | 1692.9 ft | — |
| May 29, 2018 | 1689.84 ft | — |
About This Gauge
NWS LID
TERG1
River
Tallulah River
County
Rabun, GA
Coordinates
34.7656°N, 83.4167°W
Get Flood Alerts for Tallulah River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Tallulah River at MATHIS-TERRORA DAM?
The Tallulah River at MATHIS-TERRORA DAM gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Tallulah River at MATHIS-TERRORA DAM?
The NWS-defined flood stage for Tallulah River at MATHIS-TERRORA DAM is 1692 feet. Action stage begins at 1689 feet. Moderate flooding starts at 1694 feet, and major flooding at 1696 feet.
How do I get alerts when Tallulah River rises?
Download StormCast free on Google Play, go to River Gauges, and add Tallulah River at MATHIS-TERRORA DAM to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Tallulah River at MATHIS-TERRORA DAM gauge located?
The gauge is located in Rabun County, Georgia at coordinates 34.7656°N, 83.4167°W. Data is provided by the U.S. Geological Survey and the National Weather Service.